Breas Z2 PowerShell Module for Z1/Z2 With Extended Life Battery MSRP: $499.00 $499.00 backorder HDM PowerShell w/ Extended Life Battery for Z1 and Z2 The HDM PowerShell w/ Extended Life Battery for Z1 and Z2 will work with both the Z1 or Z2 CPAP machines and is the smallest CPAP... Shop